If We Visualize the Time That Has Passed Since the Origin

question 35

Multiple Choice

If we visualize the time that has passed since the origin of our solar system and Earth,or about 4.6 billion years,as a one-hour clock,then out of one hour,humans have been present on the planet for about

• A)30 minutes.
• B)15 minutes.
• C)1 minute.
• D)20 seconds.
• E)2/10ths of a second.

---

Definitions:

Xerostomia

A condition characterized by dry mouth resulting from reduced or absent saliva flow.

Fungating

Refers to a type of tumor that grows rapidly and projects from the skin or any mucosal surface, often ulcerating.

Metastasis

The spread of cancer cells from their original site to other parts of the body.

Cancer In Situ

A term used to describe cancer that is in its earliest stage, where it is confined to the site of origin without having spread to neighboring tissue.